various changes, introduced calc_temp function

firmware/masterchip/main.c

@@ -17,7 +17,7 @@
 #include "main.h"
 
 uint8_t newThermoData = 1;
-uint16_t thermoData[] = {1024, 814, 2475, 2243};
+uint16_t thermoData[];
 
 
 void hardinit() {
@@ -75,12 +75,12 @@ int __attribute__((noreturn)) main(void) {
   for(;;){
     usbPoll();
 
-    SOFTTIMER(2,500) {     
-      thermoData[0]=thermoData[0]+5;
-      thermoData[1]=thermoData[1]+15;
-      thermoData[2]=thermoData[2]+7;
-      thermoData[3]=thermoData[3]+18;
-      newThermoData = 1;
+    SOFTTIMER(2,800) {
+		uint16_t recv;
+		for(int i=0; i<4; i++) {
+			thermoData[i] = spi_master_transceive(7, i, 0);			
+		}
+		newThermoData = 1;
     }
 
     SOFTTIMER(1,250) {
@@ -89,13 +89,6 @@ int __attribute__((noreturn)) main(void) {
   }
 }
 
-/*
-  ISR(TIMER1_OVF_vect, ISR_NAKED){
-  asm volatile ("in %0, %1\n" : "=r" (sreg_store) : "I" (_SFR_IO_ADDR(SREG)));
-  timer1_acc++;
-  asm volatile ("out %1, %0\n" : "=r" (sreg_store) : "I" (_SFR_IO_ADDR(SREG)));
-  reti();
-  }*/
 
 ISR(TIMER1_OVF_vect,ISR_NOBLOCK){
     uint16_t tmp;

firmware/slavechip/main.c

@@ -29,6 +29,11 @@ int16_t temp_avg_count[4];
 #define MUXER_CHANNEL_2 1
 #define MUXER_CHANNEL_3 3
 
+
+uint16_t calc_temp(uint16_t val) {
+	// TODO: implement polygon ... wait, no, polyester, uh, no again? ... poly-thingy?
+}
+
 /* initializes the hardware */
 void hardinit() {
   // enable softtimer isr
@@ -60,7 +65,7 @@ int __attribute__((noreturn)) main(void) {
     SOFTTIMER(1,10) {
 		for(int i=0; i<4; i++) {
 			if(sensor_active[i] && mcpadc_has_new_data(i)) {
-				temperatures[i] = mcpadc_get_data(i);
+				temperatures[i] = calc_temp( mcpadc_get_data(i) );
 				temp_avg_cumul[i] += temperatures[i];
 				temp_avg_count[i] += 1;
 			}
@@ -84,7 +89,6 @@ int __attribute__((noreturn)) main(void) {
 }
 
 
-
 ISR(TIMER1_OVF_vect,ISR_NOBLOCK){
     timertmp=timer1_acc;
     timertmp++;